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An immunological role of a PKC alpha binding protein (PICK1) expressed in the hemocytes of the beet armyworm, Spodoptera exigua.
Shrestha S, Prasad SV, Kim Y. Shrestha S, et al. Comp Biochem Physiol B Biochem Mol Biol. 2011 Mar;158(3):216-22. doi: 10.1016/j.cbpb.2010.11.007. Epub 2010 Nov 28. Comp Biochem Physiol B Biochem Mol Biol. 2011. PMID: 21122821
The PICK1 gene of S. exigua (Se-PICK1) was expressed in all developmental stages. In the larval stage, it was highly expressed in hemocyte and brain tissues. ...The suppressed expression of Se-PICK1 significantly impaired the larvae of S. exigua to induce hemocyte-s …
The PICK1 gene of S. exigua (Se-PICK1) was expressed in all developmental stages. In the larval stage, it was highly expressed in hem …
An entomopathogenic bacterium, Xenorhabdus nematophila, inhibits hemocyte phagocytosis of Spodoptera exigua by inhibiting phospholipase A(2).
Shrestha S, Kim Y. Shrestha S, et al. J Invertebr Pathol. 2007 Sep;96(1):64-70. doi: 10.1016/j.jip.2007.02.009. Epub 2007 Feb 25. J Invertebr Pathol. 2007. PMID: 17395196
In fact, hemocytes of S. exigua infected with X. nematophila showed significant reduction in phospholipase A(2) (PLA(2)) activity. ...These results suggest that X. nematophila produces and secretes PLA(2) inhibitor(s), which in turn inhibit the phagocytic response o …
In fact, hemocytes of S. exigua infected with X. nematophila showed significant reduction in phospholipase A(2) (PLA(2)) activity. .. …
Eicosanoids mediate prophenoloxidase release from oenocytoids in the beet armyworm Spodoptera exigua.
Shrestha S, Kim Y. Shrestha S, et al. Insect Biochem Mol Biol. 2008 Jan;38(1):99-112. doi: 10.1016/j.ibmb.2007.09.013. Epub 2007 Oct 6. Insect Biochem Mol Biol. 2008. PMID: 18070669
PO is an active form of prophenoloxidase (PPO) after proteolytic cleavage by serine proteinase(s). It has been suggested that eicosanoids are implicated in PPO activation in the beet armyworm, Spodoptera exigua. ...A cDNA encoding PPO (SePPO) was cloned from the hemocytes …
PO is an active form of prophenoloxidase (PPO) after proteolytic cleavage by serine proteinase(s). It has been suggested that eicosan …
Identification of an entomopathogenic bacterium, Serratia sp. ANU101, and its hemolytic activity.
Kim Y, Kim K, Seo J, Shrestha S, Kim HH, Nalini M, Yi Y. Kim Y, et al. Among authors: shrestha s. J Microbiol Biotechnol. 2009 Mar;19(3):314-22. J Microbiol Biotechnol. 2009. PMID: 19349758
The synergistic effect was explained by an immunosuppressive effect of Serratia sp. by its high cytotoxic effect on hemocytes of S. exigua, because Serratia sp. caused septicemia of S. exigua when the bacterial cells were injected into S. exigua hemocoel. The …
The synergistic effect was explained by an immunosuppressive effect of Serratia sp. by its high cytotoxic effect on hemocytes of S. e …
Various eicosanoids modulate the cellular and humoral immune responses of the beet armyworm, Spodoptera exigua.
Shrestha S, Kim Y. Shrestha S, et al. Biosci Biotechnol Biochem. 2009 Sep;73(9):2077-84. doi: 10.1271/bbb.90272. Epub 2009 Sep 7. Biosci Biotechnol Biochem. 2009. PMID: 19734670
These results indicate that immune target cells, such as hemocyte and fat body, of S. exigua can respond to different COX and LOX products to express cellular and humoral immune responses, and their overlapping, additive effects on nodulation suggest that in target cells, …
These results indicate that immune target cells, such as hemocyte and fat body, of S. exigua can respond to different COX and LOX pro …
Genes encoding phospholipases A2 mediate insect nodulation reactions to bacterial challenge.
Shrestha S, Park Y, Stanley D, Kim Y. Shrestha S, et al. J Insect Physiol. 2010 Mar;56(3):324-32. doi: 10.1016/j.jinsphys.2009.11.008. Epub 2009 Nov 29. J Insect Physiol. 2010. PMID: 19931277
We cloned five genes encoding sPLA(2) and expressed them in E. coli cells to demonstrate these genes encode catalytically active sPLA(2)s. ...The reduced nodulation was rescued by AA, indicating that expression of four genes encoding sPLA(2)s mediates nodulation rea …
We cloned five genes encoding sPLA(2) and expressed them in E. coli cells to demonstrate these genes encode catalytically active sPLA(2)s
Activation of immune-associated phospholipase A2 is functionally linked to Toll/Imd signal pathways in the red flour beetle, Tribolium castaneum.
Shrestha S, Kim Y. Shrestha S, et al. Dev Comp Immunol. 2010 May;34(5):530-7. doi: 10.1016/j.dci.2009.12.013. Epub 2010 Jan 4. Dev Comp Immunol. 2010. PMID: 20043940
Upon bacterial challenge, hemocytes from control larvae showed intracellular translocation of their PLA(2)s near to cell membrane, but hemocytes from larvae treated with dsRNAs of the Toll and Imd genes did not show the translocation, at which the PLA(2)s appeared t …
Upon bacterial challenge, hemocytes from control larvae showed intracellular translocation of their PLA(2)s near to cell membrane, bu …
Biochemical characteristics of immune-associated phospholipase A(2) and its inhibition by an entomopathogenic bacterium, Xenorhabdus nematophila.
Shrestha S, Kim Y. Shrestha S, et al. J Microbiol. 2009 Dec;47(6):774-82. doi: 10.1007/s12275-009-0145-3. Epub 2010 Feb 4. J Microbiol. 2009. PMID: 20127473
The X. nematophila culture broth contained PLA(2) inhibitory factor(s), which was most abundant in the media obtained at a stationary bacterial growth phase. The PLA(2) inhibitory factor(s) was heat-resistant and extracted in both aqueous and organic fractions. Effe …
The X. nematophila culture broth contained PLA(2) inhibitory factor(s), which was most abundant in the media obtained at a stationary …
Role of a small G protein Ras in cellular immune response of the beet armyworm, Spodoptera exigua.
Lee S, Shrestha S, Prasad SV, Kim Y. Lee S, et al. Among authors: shrestha s. J Insect Physiol. 2011 Mar;57(3):356-62. doi: 10.1016/j.jinsphys.2010.12.003. Epub 2010 Dec 15. J Insect Physiol. 2011. PMID: 21167168
These results suggest that Se-Ras is implicated in mediating cellular processes of S. exigua hemocytes. This is the first report of Ras role in insect cellular immune response....
These results suggest that Se-Ras is implicated in mediating cellular processes of S. exigua hemocytes. This is the first report of R …
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